Perhaps you should try some spelling variations:
"using java caicode snippets" » "using java code snippets", "using data caicode snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung le dan snippets" » "dung len dan snippets", "dung he dan snippets", "dung de dan snippets", "dung ke dan snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java caicode snippets") or ("dung le dan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java caicode snippets") OR ("dung le dan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java caicode snippets ) or ( dung le dan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java caicode snippets") or ("dung le dan snippets"))) or ("locating bug core snippets"))*.